Röhl, John C.G., Warren, Martin and Hunt, David (1998). The Purple Secret. Published by Bantam Press, London. ISBN 9780552145503.
From the publisher's book description: In a unique collaboration of history and science, Purple Secret traces the inheritance of porphyria through the genealogical maze of Europe's royal dynasties.
(see History Book Reviews review by Jennie Erikson)

Sykes, Bryan (2001). The Seven Daughters of Eve. Published by W. W. Norton & Company, New York. ISBN 0393020185.
From the publisher's book description: "Sykes reveals how the identification of a particular strand of DNA that passes unbroken through the maternal line allows scientists to trace our genetic makeup all the way back to prehistoric times, to seven primeval women, the Seven Daughters of Eve."
(see The Observer review: "My mum's older than your mum" by Robin McKie and Heredity review by E Hagelberg)

Wambaugh, Joseph (1989). The Blooding. Published by Bantam Press, London. ISBN 9780553176978.
From the publisher's book description: "The true story of the historic first use of genetic fingerprinting to solve two savage murders in the English Midlands."
(discovered via ITV's Code of a Killer television mini-series about the same story)
(see Los Angeles Times review by John Sutherland)